"The concept of building your own cliff, a man-made mountain, is a typically non-Georgetown thing to do," he added.

But this man-made mountain, 111 meters high and two miles long, is small compared to what lies beneath it.

A man-made mountain is what it was.

A long fountain stretches the full length of the street, leading to a man-made mountain that features dive shows.

It is one of only a few man-made mountains in the world.

The most impressive of these is Structure 10L-22, which represents a sacred man-made mountain.

This man-made mountain is so dense it doesn't melt away until mid-July.

Piles of rusted scrap iron rose in the darkness like man-made mountains.

He was in a different world, a world of natural, not man-made, mountains.

I've referred to the Stronghold as a man-made mountain, and that comes fairly close.